CN113833938A - Mesoporous silica heat-insulating material and preparation method thereof - Google Patents

Mesoporous silica heat-insulating material and preparation method thereof Download PDF

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Publication number
CN113833938A
CN113833938A CN202111089999.8A CN202111089999A CN113833938A CN 113833938 A CN113833938 A CN 113833938A CN 202111089999 A CN202111089999 A CN 202111089999A CN 113833938 A CN113833938 A CN 113833938A
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mesoporous silica
layer
heat
vesicle
composite ceramic
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王高君
朱晓辉
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Xinhuasheng Energy Saving Technology Co ltd
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Xinhuasheng Energy Saving Technology Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/06—Interconnection of layers permitting easy separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/028—Composition or method of fixing a thermally insulating material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B32B2037/243—Coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B2038/0052—Other operations not otherwise provided for
    • B32B2038/0076—Curing, vulcanising, cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/105—Ceramic fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Thermal Insulation (AREA)

Abstract

The invention provides a mesoporous silica heat-insulating material and a preparation method thereof, the mesoporous silica heat-insulating material comprises a high-temperature-resistant glue layer, a heat-insulating layer and a mesoporous silica vesicle coating, wherein the high-temperature-resistant glue layer and the mesoporous silica vesicle coating are respectively arranged on two surfaces of the heat-insulating layer, and a release film is arranged on one side of the high-temperature-resistant glue layer, which is far away from the heat-insulating layer. The thermal insulation material provided by the invention is provided with the silicon dioxide aerogel coating as a waterproof layer, has an excellent waterproof and thermal insulation function, and avoids the water seepage and corrosion on the surface of equipment. The heat insulation material provided by the invention comprises a high temperature resistant glue layer, a heat insulation layer and a mesoporous silica vesicle coating, and forms an integrated sheet which is a prefabricated part and is directly attached to the surface of equipment when in use, so that the use is convenient, and the labor and the time are saved.

Description

Mesoporous silica heat-insulating material and preparation method thereof
Technical Field
The invention relates to the field of heat insulation materials, in particular to a mesoporous silica heat insulation material and a preparation method thereof.
Background
The modes for external heat preservation and insulation of the existing special-shaped equipment such as a high-temperature storage tank, a pump body, a pipeline and the like can be roughly divided into three types: the first mode is as follows: a-grade fireproof materials such as aluminum silicate cotton (rock wool) felt, foamed glass (ceramic) and the like are used as heat insulation materials for wrapping, and aluminum foil paper or galvanized iron sheets are additionally added for protection after gridding cloth or iron wires are wound; the second mode is as follows: the cold and heat insulation construction of middle and low temperature (-40 to 110 ℃) equipment by using organic resin foaming materials such as polyester and the like; the third mode is as follows: brushing or spraying high-temperature-resistant anticorrosive antirust paint on equipment as a bottom layer, then installing a middle-layer heat-insulating material prefabricated part on the equipment, and then brushing or roller coating macromolecular waterproof heat-insulating paint.
The first mode has good fireproof performance and heat preservation effect, but is easy to enter water to cause heat preservation effect failure, and is easy to cause serious corrosion on the surface of equipment in a damp and hot environment, so that the first mode is not suitable for a damp area.
The organic foaming material adopted in the second mode is mainly applied to low-temperature cold insulation or heat insulation and heat preservation at the temperature lower than 50 ℃, has good heat insulation and heat preservation effects and excellent waterproof performance, but is easy to burn and limited in application field.
The third mode needs spraying priming paint and waterproof insulation coating to install the intermediate level, the process is loaded down with trivial details, and hard, and the intermediate level has the risk of droing.
Disclosure of Invention
The invention aims to provide a conductive foam layer and a preparation method thereof, which overcome the defects of the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the invention discloses a mesoporous silica heat-insulating material which comprises a high-temperature-resistant glue layer, a heat-insulating layer and a mesoporous silica vesicle coating, wherein the high-temperature-resistant glue layer and the mesoporous silica vesicle coating are respectively arranged on two surfaces of the heat-insulating layer, and a release film is arranged on one surface, far away from the heat-insulating layer, of the high-temperature-resistant glue layer.
Preferably, the heat-insulating layer is a mesoporous silica vesicle composite ceramic fiber layer.
Preferably, the upper end face and the lower end face of the mesoporous silica vesicle composite ceramic fiber layer are provided with tiny pits and bulges.
Preferably, a glass fiber mesh cloth is attached to one side of the mesoporous silica vesicle composite ceramic fiber layer through glue, and the mesoporous silica vesicle coating is coated on the glass fiber mesh cloth.
Preferably, the mesoporous silica vesicular coating has a thickness greater than 250 microns.
Preferably, at least two layers of glass fiber gridding cloth are attached to one side surface of the mesoporous silica vesicle composite ceramic fiber layer through glue.
The invention also discloses a preparation method of the mesoporous silica heat-insulating material, which comprises the following steps:
step 1): preparing mesoporous silica coating, wherein the mesoporous silica vesicle coating comprises 5-20 parts by weight of mesoporous silica vesicle particles, 50-70 parts by weight of organosilicon, 15-20 parts by weight of film forming catalyst and 15-20 parts by weight of water;
step 2): spraying the mesoporous silica vesicle paint prepared in the step 1) on one surface of the glass fiber mesh fabric in an electrostatic spraying manner;
step 3): curing the mesoporous silica vesicle coating coated on the glass fiber mesh fabric in a heating mode;
step 4): attaching the other side of the glass fiber mesh cloth to a heat insulation layer through glue, wherein the heat insulation layer adopts a mesoporous silica vesicle composite ceramic fiber layer, and a heat insulation reinforcing net is horizontally arranged in the mesoporous silica vesicle composite ceramic fiber layer along the length direction of the mesoporous silica vesicle composite ceramic fiber layer;
step 5): the other side of the heat-insulating layer is coated with a high-temperature-resistant glue layer, and the other side of the high-temperature-resistant glue layer is attached with a release film.
Preferably, the upper end face and the lower end face of the mesoporous silica vesicle composite ceramic fiber layer are provided with tiny pits and bulges.
Preferably, the thickness of the mesoporous silica vesicular coating is greater than 250 microns; and/or at least two layers of glass fiber gridding cloth are attached to one side surface of the mesoporous silica vesicle composite ceramic fiber layer through glue.
Compared with the prior art, the invention has the advantages that:
the thermal insulation material provided by the invention is provided with the silicon dioxide aerogel coating as a waterproof layer, has an excellent waterproof and thermal insulation function, and avoids the water seepage and corrosion on the surface of equipment.
The heat insulation material provided by the invention comprises a high temperature resistant glue layer, a heat insulation layer and a mesoporous silica vesicle coating, and forms an integrated sheet which is a prefabricated part and is directly attached to the surface of equipment when in use, so that the use is convenient, and the labor and the time are saved.
The mesoporous silica vesicle composite ceramic fiber layer is used as a heat preservation and insulation layer, so that the heat preservation and insulation effect is good, and the mechanical strength is certain; the heat insulation reinforcing net is arranged in the mesoporous silica vesicle composite ceramic fiber layer, so that the heat insulation effect and the mechanical strength of the heat insulation layer can be further enhanced.
The projections and the pits are arranged on the mesoporous silica vesicle composite ceramic fiber layer and are randomly distributed, and the binding force between the mesoporous silica vesicle composite ceramic fiber layer and the glue layer can be increased through the arrangement of the projections and the pits, so that the connection strength between the mesoporous silica vesicle composite ceramic fiber layer and the glue layer is further increased.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
Fig. 1 is a schematic structural view of a mesoporous silica thermal insulation material according to a preferred embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1, the embodiment of the invention discloses a mesoporous silica thermal insulation material, which comprises a high temperature resistant glue layer 1, a thermal insulation layer 2 and a mesoporous silica vesicle coating 3, wherein the high temperature resistant glue layer 1 and the mesoporous silica vesicle coating 3 are respectively arranged on two surfaces of the thermal insulation layer 2, a release film 4 is arranged on one surface of the high temperature resistant glue layer 1, which is far away from the thermal insulation layer 2, and the mesoporous silica vesicle coating has an excellent waterproof and thermal insulation function, so that the conditions of water seepage and corrosion easily caused by an external galvanized iron sheet are avoided. The mesoporous silica vesicle coating 3 comprises 5-20 parts by weight of mesoporous silica vesicle particles, 50-70 parts by weight of organosilicon, 15-20 parts by weight of film forming catalyst and 15-20 parts by weight of water.
Preferably, the heat-insulating layer 2 adopts a mesoporous silica vesicle composite ceramic fiber layer, and the mesoporous silica vesicle composite ceramic fiber layer is adopted as the heat-insulating layer 2, so that the heat-insulating effect is good, and the heat-insulating layer has certain mechanical strength. The mesoporous silica vesicle composite ceramic fiber layer is obtained by dipping a ceramic fibrofelt in high-concentration silica vesicle slurry and drying, and the silica vesicles are uniformly adhered on the surface of the ceramic fiber.
The mesoporous silica vesicle composite ceramic fiber layer 2 is horizontally provided with a heat insulation reinforcing net along the length direction, the heat insulation reinforcing net is arranged in the mesoporous silica vesicle composite ceramic fiber layer, the heat insulation effect and the mechanical strength of the heat insulation layer can be further enhanced, and the heat insulation reinforcing net is made of silica-alumina composite nano materials.
Preferably, the mesoporous silica vesicle composite ceramic fiber layer is provided with tiny pits and projections on the upper and lower end faces. The bulges and the pits are randomly distributed, and the binding force between the mesoporous silica vesicle composite ceramic fiber layer and the glue layer can be increased through the arrangement of the bulges and the pits, so that the connection strength between the mesoporous silica vesicle composite ceramic fiber layer and the glue layer is increased.
Preferably, a glass fiber mesh cloth is adhered to one side of the mesoporous silica vesicle composite ceramic fiber layer through glue, and the mesoporous silica vesicle coating 3 is coated on the glass fiber mesh cloth.
Preferably, the thickness of the mesoporous silica vesicle coating 3 is more than 250 micrometers, so that the sufficient waterproof and heat-insulating functions are ensured.
Preferably, at least two layers of glass fiber gridding cloth are attached to one side surface of the mesoporous silica vesicle composite ceramic fiber layer through glue.
The embodiment of the invention also discloses a preparation method of the heat-insulating material, which comprises the following steps:
step 1): preparing mesoporous silica vesicle paint, wherein the mesoporous silica vesicle paint comprises 5-20 parts by weight of mesoporous silica vesicle particles, 50-70 parts by weight of organic silicon, 15-20 parts by weight of film forming catalyst and 15-20 parts by weight of water;
step 2): spraying the mesoporous silica vesicle paint prepared in the step 1) on one surface of the glass fiber mesh fabric in an electrostatic spraying manner;
step 3): curing the mesoporous silica vesicle coating coated on the glass fiber mesh fabric in a heating mode;
step 4): attaching the other side of the glass fiber mesh cloth to a heat insulation layer through glue, wherein the heat insulation layer adopts a mesoporous silica vesicle composite ceramic fiber layer, and a heat insulation reinforcing net is horizontally arranged in the mesoporous silica vesicle composite ceramic fiber layer along the length direction of the mesoporous silica vesicle composite ceramic fiber layer;
step 5): the other side of the heat-insulating layer is coated with a high-temperature-resistant glue layer, and the other side of the high-temperature-resistant glue layer is attached with a release film.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A mesoporous silica heat-insulating material is characterized in that: the heat-insulating coating comprises a high-temperature-resistant glue layer, a heat-insulating layer and a mesoporous silica vesicle coating, wherein the high-temperature-resistant glue layer and the mesoporous silica vesicle coating are respectively arranged on two sides of the heat-insulating layer, and a release film is arranged on one side, far away from the heat-insulating layer, of the high-temperature-resistant glue layer.
2. The mesoporous silica thermal insulation material according to claim 1, characterized in that: the heat-insulating layer adopts a mesoporous silica vesicle composite ceramic fiber layer.
3. The mesoporous silica thermal insulation material according to claim 2, characterized in that: the upper end face and the lower end face of the mesoporous silica vesicle composite ceramic fiber layer are provided with tiny pits and bulges.
4. The mesoporous silica thermal insulation material according to claim 3, characterized in that: one side of the mesoporous silica vesicle composite ceramic fiber layer is adhered with glass fiber gridding cloth through glue, and the mesoporous silica vesicle coating is coated on the glass fiber gridding cloth.
5. The mesoporous silica thermal insulation material according to claim 1, characterized in that: the thickness of the mesoporous silica vesicle coating is greater than 250 microns.
6. The mesoporous silica thermal insulation material according to claim 1, characterized in that: at least two layers of glass fiber gridding cloth are attached to one side surface of the mesoporous silica vesicle composite ceramic fiber layer through glue.
7. A preparation method of a mesoporous silica heat-insulating material is characterized by comprising the following steps: the method comprises the following steps:
step 1): preparing mesoporous silica vesicle paint, wherein the mesoporous silica vesicle paint comprises 5-20 parts by weight of mesoporous silica vesicle particles, 50-70 parts by weight of organic silicon, 15-20 parts by weight of film forming catalyst and 15-20 parts by weight of water;
step 2): spraying the mesoporous silica vesicle paint prepared in the step 1) on one surface of the glass fiber mesh fabric in an electrostatic spraying manner;
step 3): curing the mesoporous silica vesicle coating coated on the glass fiber mesh fabric in a heating mode;
step 4): attaching the other side of the glass fiber mesh cloth to a heat insulation layer through glue, wherein the heat insulation layer adopts a mesoporous silica vesicle composite ceramic fiber layer, and a heat insulation reinforcing net is horizontally arranged in the mesoporous silica vesicle composite ceramic fiber layer along the length direction of the mesoporous silica vesicle composite ceramic fiber layer;
step 5): the other side of the heat-insulating layer is coated with a high-temperature-resistant glue layer, and the other side of the high-temperature-resistant glue layer is attached with a release film.
8. The method for preparing the mesoporous silica thermal insulation material according to claim 7, wherein the method comprises the following steps: the upper end face and the lower end face of the mesoporous silica vesicle composite ceramic fiber layer are provided with tiny pits and bulges.
9. The method for preparing the mesoporous silica thermal insulation material according to claim 7, wherein the method comprises the following steps: the thickness of the mesoporous silica vesicle coating is greater than 250 microns.
10. The method for preparing the mesoporous silica thermal insulation material according to claim 7, wherein the method comprises the following steps: at least two layers of glass fiber gridding cloth are attached to one side surface of the mesoporous silica vesicle composite ceramic fiber layer through glue.
CN202111089999.8A 2021-09-17 2021-09-17 Mesoporous silica heat-insulating material and preparation method thereof Pending CN113833938A (en)

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KR20150136845A (en) * 2014-05-28 2015-12-08 남동민 Film heat insulator
CN107814552A (en) * 2017-11-21 2018-03-20 金光虎 A kind of silica heat insulation composite material and preparation method thereof
CN207416219U (en) * 2017-10-30 2018-05-29 惠州市诺曼包装材料有限公司 solvent-free release film
CN108485436A (en) * 2018-04-20 2018-09-04 优澎（嘉兴）新材料科技有限公司 Anticorrosive heat insulating coating, anticorrosive heat insulating patch and preparation method thereof
CN111302827A (en) * 2020-04-10 2020-06-19 中国人民解放军国防科技大学 Preparation method of high-temperature-resistant fiber-reinforced silica aerogel heat-insulation composite material
CN211363773U (en) * 2019-08-20 2020-08-28 广州力缘材料科技有限公司 Sound and heat insulation pad for front wall of automobile engine compartment
CN212476610U (en) * 2020-02-10 2021-02-05 刘丽君 Waterproof type heat insulation material

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150136845A (en) * 2014-05-28 2015-12-08 남동민 Film heat insulator
CN207416219U (en) * 2017-10-30 2018-05-29 惠州市诺曼包装材料有限公司 solvent-free release film
CN107814552A (en) * 2017-11-21 2018-03-20 金光虎 A kind of silica heat insulation composite material and preparation method thereof
CN108485436A (en) * 2018-04-20 2018-09-04 优澎（嘉兴）新材料科技有限公司 Anticorrosive heat insulating coating, anticorrosive heat insulating patch and preparation method thereof
CN211363773U (en) * 2019-08-20 2020-08-28 广州力缘材料科技有限公司 Sound and heat insulation pad for front wall of automobile engine compartment
CN212476610U (en) * 2020-02-10 2021-02-05 刘丽君 Waterproof type heat insulation material
CN111302827A (en) * 2020-04-10 2020-06-19 中国人民解放军国防科技大学 Preparation method of high-temperature-resistant fiber-reinforced silica aerogel heat-insulation composite material

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